Marco Scarci MD FRCS Consultant Thoracic Surgeon, Papworth Hospital, Cambridge, UK Piergiorgio Solli MD PhD Vice Director, Division of Thoracic Surgery, European Institute of Oncology, Milan, Italy Alan D L Sihoe MA FRCS FCCP Clinical Associate Professor, Department of Surgery, University of Hong Kong, Queen Mary Hospital, Hong Kong SAR, China, Chief of Thoracic Surgery, The University of Hong Kong Shenzhen Hospital, China